how do they achieve 41.2% in high school Olympiads but only 55% for grade school problems? PS: also I thought GPT4 already achieved 90% in some university math

how do they achieve 41.2% in high school Olympiads but only 55% for grade school problems? PS: also I thought GPT4 already achieved 90% in some university math grades? Oh I remember that was multiple-choice